CN110982393A - Bright silver material for dip-coating of water-based window screen and preparation method thereof - Google Patents
Bright silver material for dip-coating of water-based window screen and preparation method thereof Download PDFInfo
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- CN110982393A CN110982393A CN201911271261.6A CN201911271261A CN110982393A CN 110982393 A CN110982393 A CN 110982393A CN 201911271261 A CN201911271261 A CN 201911271261A CN 110982393 A CN110982393 A CN 110982393A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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Abstract
The invention belongs to the technical field of water-based paint, and particularly relates to a bright silver material for dip-coating a water-based window screen and a preparation method thereof, wherein the bright silver material comprises the following raw materials in parts by weight: 30-50 parts of waterborne epoxy modified polyester resin; 10-20 parts of water-based aluminum paste slurry; 0.1-0.5 part of defoaming agent; 0.5-1.5 parts of antirust agent; 0.1-0.5 part of leveling agent; 0.1-0.3 part of wetting agent; 0.2-0.6 part of film forming agent; 0.3-0.5 part of paint film self-cleaning agent; 0.5-1.5 parts of anti-settling agent; the screen window paint coating process has the advantages that the problems that paint is easy to accumulate at the intersection point when the screen window surface is rough, leveling property is not ideal, gloss is not uniform and the fullness of a finish paint film is insufficient due to the fact that the deionized water is used are solved, the problem that paint is accumulated at the intersection point when the screen window is dip-coated is further solved, the leveling property and the glossiness of the screen window dip-coated bright silver material are guaranteed, and the fullness of the finish paint film is guaranteed.
Description
Technical Field
The invention belongs to the technical field of water-based paint, and particularly relates to a bright silver material for dip-coating a water-based window screen and a preparation method thereof.
Background
At present, the window screen is mainly used for rat prevention, fly prevention, fire prevention and theft prevention, is widely applied to doors, windows, pastures and buildings, and is subjected to maintenance at any time in the using process, so that the number of the window screen is larger. For global environmental protection, the development of low-carbon economy is energetically, and the popularization and application of water-based paint on window screening is trending. Although many companies are actively developing aqueous coatings, there are few aqueous coatings that can be matured over really large areas for use on window screens.
For the water-based paint applied to the window screening at present, paint accumulation at the intersection points during dip coating exists, the leveling property is not ideal, the luster is not uniform, the pigment drifts, and the floating is generated.
Disclosure of Invention
The invention aims to provide a bright silver material for dip-coating a water-based window screen and a preparation method thereof, and aims to solve the problems that paint is easy to accumulate at an intersection point during dip-coating due to rough surface of the window screen, leveling property is not ideal, gloss is not uniform, and paint film fullness of a finish paint is not enough.
In order to solve the technical problems, the invention provides a bright silver material for dip-coating a water-based window screen, which comprises the following raw materials in parts by weight: waterborne epoxy modified polyester resin: 30-50 parts; aqueous aluminum paste slurry: 10-20 parts; defoaming agent: 0.1-0.5 part; antirust agent: 0.5-1.5 parts; leveling agent: 0.1-0.5 part; wetting agent: 0.1-0.3 part; film-forming agent: 0.2-0.6 part; self-cleaning agent of paint film: 0.3-0.5 part; anti-settling agent: 0.5-1.5 parts; a suitable amount of deionized water.
Further, the hydroxyl content of the waterborne epoxy modified polyester resin is 1-2%.
Further, the solid content of the waterborne epoxy modified polyester resin is 70-80%;
the pH value is 8.8-9.2.
Further, the aqueous aluminum paste slurry comprises the following components in parts by weight: waterborne epoxy modified polyester: 30-50 parts; aqueous dispersant: 5-10 parts; filling: 0-5 parts; aluminum powder orienting agent: 0.2-0.5 part; and a proper amount of ethylene glycol butyl ether.
Further, the aqueous dispersant includes a modified polyacrylic acid polymer.
Further, the filler comprises: one or more of talcum powder, heavy calcium powder, kaolin, silicon dioxide and barium sulfate.
Further, the defoamer comprises a modified polyether siloxane copolymer emulsion; the rust inhibitor comprises a metal chelate; the wetting agent comprises a hyperbranched polyether; the paint film self-cleaning agent comprises a hydrophilic agent.
Further, the anti-settling agent comprises a hydrophobically modified polyether.
Further, the leveling agent comprises a fluorine modified acrylate leveling agent.
On the other hand, the invention also provides a preparation method of the bright silver material for dip-coating the water-based window screen,
sequentially adding the waterborne epoxy modified polyester resin, the waterborne aluminum paste slurry, the defoaming agent, the antirust agent, the wetting agent, the paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10-30min at the rotating speed of 600 plus materials of 800 r/min; sequentially adding a film forming agent and an anti-settling agent, and stirring and dispersing for 20-30min at the rotating speed of 1000r/min at 800-; adding a flatting agent, and stirring and dispersing for 10-20min at the rotating speed of 600-800 r/min; adding the rest deionized water, adjusting the viscosity, and stirring for 20-25min at the rotating speed of 1000r/min and 800-.
The water-based bright silver material for dip-coating the window screen and the preparation method thereof have the beneficial effects that the surface roughness is reduced by adding the paint film self-cleaning agent, the paint film self-cleaning agent can form better synergistic effect with the water-based epoxy modified resin, and the surface of the paint film is free from static electricity, so that dust, moisture and oil dirt are difficult to adsorb on the surface of the paint film, even a small amount of pollutants are adhered to the paint film, the paint is easy to wash away by a small amount of water, the problem of paint accumulation at the intersection point during dip-coating the window screen is avoided, the leveling property and the glossiness of the silver material for dip-coating the window screen are ensured, and the paint film fullness of the finish paint is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The bright silver material for dip-coating the water-based window screen in the embodiment 1 comprises the following raw materials in parts by weight: aqueous epoxy modified polyester resin: 30-50 parts; the solid content of the waterborne epoxy modified alkyd resin is 70-80%, the hydroxyl content is 1-2%, and the pH value is 8.8-9.2; aqueous aluminum paste slurry: 10-20 parts; defoaming agent: 0.1-0.5 part; antirust agent: 0.5-1.5 parts; leveling agent: 0.1-0.5 part; wetting agent: 0.1-0.3 part; film-forming agent: 0.2-0.6 part; self-cleaning agent of paint film: 0.3-0.5 part; anti-settling agent: 0.5-1.5 parts; the appropriate amount of deionized water reduces surface roughness by adding the paint film self-cleaning agent, the paint film self-cleaning agent can form a better synergistic effect with the waterborne epoxy modified resin, so that the surface of the paint film has no static electricity, dust, moisture and oil dirt are difficult to adsorb on the surface of the paint film, even if a small amount of pollutants are adhered, the pollutants are easy to be washed clean by a small amount of water, the problem of paint accumulation at the intersection point during dip-coating of the screen window is further avoided, the leveling property and the glossiness of the screen window dip-coating silver-brightening material are ensured, and the paint film fullness of the finish paint is ensured.
In this example, the waterborne epoxy modified polyester resin was a main resin, and had good weather resistance, fire resistance, and good adhesion to a substrate.
In this example, the aqueous pigment paste was used mainly for coloring and was adjusted autonomously according to actual requirements.
In the embodiment, the waterborne epoxy modified polyester resin has excellent mechanical properties, water solubility, stability and weather resistance, good compatibility with the auxiliary agent, and good glossiness and fullness, especially good fullness, on the surface of the window screen.
In this embodiment, the aluminum paste slurry not only has high gloss, high hiding power and high metal feeling, but also can form a dense protective layer on the metal surface, which covers the metal surface and plays a role in protecting the substrate.
As an optional embodiment of the aqueous aluminum paste slurry, the aqueous aluminum paste slurry comprises the following components in parts by weight: 50 parts of waterborne epoxy modified polyester; 5 parts of a water-based dispersant; 5 parts of a filler; 0.2 part of aluminum powder orientation agent; and a proper amount of ethylene glycol butyl ether.
Alternatively, the aqueous dispersant may be, but is not limited to, a modified polyacrylic acid polymer.
Optionally, the filler may include, but is not limited to: one or more of talcum powder, heavy calcium powder, kaolin, silicon dioxide and barium sulfate.
In the embodiment, the filler plays a role of filling, so that the covering power is enhanced, and the cost is reduced.
Optionally, the defoamer comprises a modified polyether siloxane copolymer emulsion, the defoamer providing good defoaming property of the coating; the antirust agent comprises a metal chelate and plays a role in preventing flash rust from appearing on the surface of a paint film during construction; the leveling agent comprises a fluorine modified acrylate leveling agent, so that a paint film can be endowed with good leveling performance, and the paint film is ensured to have good appearance; the wetting agent comprises hyperbranched polyether, so that the paint film can be endowed with good wettability to a substrate, and the paint film is ensured to have good appearance; the anti-settling agent comprises hydrophobic modified polyether, so that the storage stability of a paint film is ensured; the paint film self-cleaning agent comprises a hydrophilic agent, so that the wear resistance of the paint film is improved; so as to remove the pollutants on the surface of the paint film.
And the present embodiment also solves the following problems:
(1) the paint film of the finish paint is not full, looks flat and has not high gloss;
(2) poor outdoor weatherability;
(3) the adhesion of the coating on the surface of the base material is not excellent enough, and the matching performance index cannot be reached;
(4) the color is relatively single.
Example 2
On the basis of embodiment 1, embodiment 2 further provides a preparation method of the bright silver material for dip-coating the water-based window screen, which comprises the steps of sequentially adding the water-based epoxy modified polyester resin, the water-based aluminum silver paste slurry, the defoaming agent, the antirust agent, the wetting agent, the paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10-30min under the condition of a rotation speed of 600 plus 800 r/min; sequentially adding a film forming agent and an anti-settling agent, and stirring and dispersing for 20-30min under the rotating speed condition of 800-; adding a flatting agent, and stirring and dispersing for 10-20min at the rotating speed of 600-800 r/min; adding the rest deionized water, adjusting the viscosity, and stirring for 20-25min under the rotation speed condition of 800-.
In the embodiment, the production process is safe, environment-friendly and simple, the construction is more environment-friendly and convenient, and water is used as a medium, so that the method is safe and nontoxic and cannot cause harm to human bodies.
Example 3
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 0.5 part of antirust agent, 0.1 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solids content of 75%, a hydroxyl content of 2%, and a pH of 8.8.
Example 4
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 20 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 0.5 part of antirust agent, 0.1 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 30min at the rotating speed of 800 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 30min at the rotating speed of 1000 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 20min under the condition of the rotating speed of 800 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 1000r/min for 25 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Example 5
Sequentially adding 50 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 0.5 part of antirust agent, 0.1 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 20min at the rotating speed of 700 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 25min at the rotating speed of 900 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 15min under the condition of the rotating speed of 700 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 22.5 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Example 6
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.5 part of defoaming agent, 0.5 part of antirust agent, 0.1 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 80%, a hydroxyl content of 1.5%, and a pH of 9.2.
Example 7
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 1.5 parts of antirust agent, 0.1 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Example 8
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 0.5 part of antirust agent, 0.1 part of wetting agent, 0.510 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Comparative example 1
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 0.5 part of antirust agent, 0.3 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.1 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Comparative example 2
Sequentially adding 40 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.1 part of defoaming agent, 0.5 part of antirust agent, 0.1 part of wetting agent, 0.3 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.2 part of film forming agent and 0.5 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.3 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Example 9
Table 1 lists the main components and contents of the bright silver materials of examples 3 to 8 and comparative examples 1 to 2, and table 2 lists the performance indexes of the bright silver materials of examples 3 to 8 and comparative examples 1 to 2.
Specifically, all samples were prepared for testing: the window screen size was 10cm by 5cm (window screen steel wire diameter: 0.315mm), the surface was degreased and polished, and then the bright silver materials prepared in examples 3 to 6 and comparative examples 1 to 2 were dip-coated, respectively, and the test results are shown in table 2.
Table 1 main components and contents of bright silver material
The unit of each component in table 1 is part by mass.
TABLE 2 various performance indexes of bright silver material
The detection results in table 2 show that the gloss, weather resistance and the like of the bright silver material for dip-coating the water-based window screen prepared by the method can be suitable for different use conditions and can completely meet the market requirements. The reason is that the surface roughness is reduced by adding the paint film self-cleaning agent, the paint film self-cleaning agent can form a good synergistic effect with the epoxy modified resin, and the paint film surface has no static electricity, so that dust, moisture and oil stains are difficult to adsorb on the paint film surface, even if a small amount of pollutants are adhered, the paint is easy to be washed by a small amount of water, and further the problem that paint is easy to accumulate at the intersection point when the silver-colored material is dip-coated is avoided, the leveling property and the gloss of the screen window during dip-coating are ensured, and meanwhile, the good fullness of the finish paint film is ensured.
Example 10
Sequentially adding 50 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.5 part of defoaming agent, 1 part of antirust agent, 0.2 part of wetting agent, 0.5 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.4 part of film forming agent and 1 part of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.3 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
Example 11
Sequentially adding 50 parts of waterborne epoxy modified polyester resin, 10 parts of waterborne aluminum paste slurry, 0.4 part of defoaming agent, 1.5 parts of antirust agent, 0.2 part of wetting agent, 0.4 part of paint film self-cleaning agent and part of deionized water into a stirring kettle, and stirring for 10min at the rotating speed of 600 r/min; sequentially adding 0.6 part of film forming agent and 1.5 parts of anti-settling agent, and stirring and dispersing for 20min at the rotating speed of 800 r/min; 0.3 part of flatting agent is added, and stirring and dispersing are carried out for 10min under the condition of the rotating speed of 600 r/min; adding the rest deionized water, adjusting viscosity, and stirring at 800r/min for 20 min.
In this example, the waterborne epoxy-modified alkyd had a solid content of 70%, a hydroxyl content of 1%, and a pH of 8.8.
In summary, the surface roughness is reduced by adding the paint film self-cleaning agent, the paint film self-cleaning agent can form a good synergistic effect with the epoxy modified resin, so that the surface of the paint film is free from static electricity, dust, moisture and oil dirt are difficult to adsorb on the surface of the paint film, even if a small amount of pollutants are adhered to the paint film self-cleaning agent, the problem that paint is easy to accumulate at the intersection point when the silver material is dip-coated is solved, the leveling property and the glossiness of the screen window are ensured, and meanwhile, the good fullness of the paint film of the finish paint is ensured.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The bright silver material for dip-coating the water-based window screen is characterized by comprising the following raw materials in parts by weight:
waterborne epoxy modified polyester resin: 30-50 parts;
aqueous aluminum paste slurry: 10-20 parts;
defoaming agent: 0.1-0.5 part;
antirust agent: 0.5-1.5 parts;
leveling agent: 0.1-0.5 part;
wetting agent: 0.1-0.3 part;
film-forming agent: 0.2-0.6 part;
self-cleaning agent of paint film: 0.3-0.5 part;
anti-settling agent: 0.5-1.5 parts;
a suitable amount of deionized water.
2. The aqueous window screen bright silver material for dip coating according to claim 1,
the hydroxyl content of the waterborne epoxy modified polyester resin is 1-2%.
3. The aqueous window screen bright silver material for dip coating according to claim 1,
the solid content of the waterborne epoxy modified polyester resin is 70-80%;
the pH value is 8.8-9.2.
4. The aqueous window screen bright silver material for dip coating according to claim 1,
the waterborne aluminum paste slurry comprises the following components in parts by weight:
waterborne epoxy modified polyester: 30-50 parts;
aqueous dispersant: 5-10 parts;
filling: 0-5 parts;
aluminum powder orienting agent: 0.2-0.5 part;
and a proper amount of ethylene glycol butyl ether.
5. The aqueous window screen bright silver material for dip coating according to claim 4,
the aqueous dispersant includes a modified polyacrylic acid polymer.
6. The aqueous window screen bright silver material for dip coating according to claim 4,
the filler comprises: one or more of talcum powder, heavy calcium powder, kaolin, silicon dioxide and barium sulfate.
7. The aqueous window screen bright silver material for dip coating according to claim 1,
the defoamer comprises a modified polyether siloxane copolymer emulsion;
the rust inhibitor comprises a metal chelate;
the wetting agent comprises a hyperbranched polyether;
the paint film self-cleaning agent comprises a hydrophilic agent.
8. The aqueous window screen bright silver material for dip coating according to claim 1,
the anti-settling agent comprises hydrophobically modified polyether.
9. The aqueous window screen bright silver material for dip coating according to claim 1,
the leveling agent comprises a fluorine modified acrylate leveling agent.
10. A preparation method of a bright silver material for dip-coating a water-based window screen is characterized in that water-based epoxy modified polyester resin, water-based aluminum silver paste slurry, a defoaming agent, an antirust agent, a wetting agent, a paint film self-cleaning agent and part of deionized water are sequentially added into a stirring kettle and stirred for 10-30min at the rotating speed of 600-800 r/min;
sequentially adding a film forming agent and an anti-settling agent, and stirring and dispersing for 20-30min at the rotating speed of 1000r/min at 800-;
adding a flatting agent, and stirring and dispersing for 10-20min at the rotating speed of 600-800 r/min;
adding the rest deionized water, adjusting the viscosity, and stirring for 20-25min at the rotating speed of 1000r/min and 800-.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911271261.6A CN110982393A (en) | 2019-12-12 | 2019-12-12 | Bright silver material for dip-coating of water-based window screen and preparation method thereof |
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| CN201911271261.6A CN110982393A (en) | 2019-12-12 | 2019-12-12 | Bright silver material for dip-coating of water-based window screen and preparation method thereof |
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| CN201911271261.6A Pending CN110982393A (en) | 2019-12-12 | 2019-12-12 | Bright silver material for dip-coating of water-based window screen and preparation method thereof |
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| CN106010160A (en) * | 2016-05-23 | 2016-10-12 | 江苏科祥防腐材料有限公司 | Water-based alcohol acid wheel hub finish paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106010160A (en) * | 2016-05-23 | 2016-10-12 | 江苏科祥防腐材料有限公司 | Water-based alcohol acid wheel hub finish paint and preparation method thereof |
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Application publication date: 20200410 |